Compression ratio and compression test readings.

[Eric Fahlgren]

Stephen Webb wrote:
> 
> I've often noticed that the pressure spec for perfomring a compression
> test is higher than what I would expect.

Yeah, ideal gas laws apply roughly.  Look at the source for

http://members.home.net/pfahlgren/cars/turbo/compression/cranking_pressure.html

It takes into effect both gas laws and valve timing.  Assumptions
are enumerated at the bottom.

-- 
Eric Fahlgren                            Mechanical Dynamics, Inc
efahl at adams.com                          Ann Arbor, Michigan, USA
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